Home / 26,105.63-39,165.12-8,575.61

Finding the Fourth Proportional to 26,105.63, 39,165.12 and 8,575.61

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Solution

The fourth proportional to 26,105.63, 39,165.12 and 8,575.61 is: 12,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.63 : 39,165.12 = 8,575.61 : x
  2. Step 2: Convert to fraction form
    26,105.63/39,165.12 = 8,575.61/x
  3. Step 3: Cross multiply
    26,105.63x = 39,165.12 × 8,575.61
  4. Step 4: Simplify right side
    26,105.63x = 335,864,598.90
  5. Step 5: Solve for x
    x = 335,864,598.90/26,105.63
  6. Step 6: Final answer
    x = 12,865.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.